Energy Assessment Practice

At which point is the potential energy the greatest?

• J

• K

• M

• N

What type of energy is produced by the fire?

• Chemical

• Heat

• Mechanical

• Solar

What type of energy is used directly by the wind turbines to generate electricity that can be used in homes?

• chemical

• heat

• mechanical

• electrical

What type of energy is stored in the water behind the dam?

• Chemical

• Kinetic

• Potential

• Heat

Which property of thermal energy is demonstrated in this activity? (TE=Thermal energy)

• TE is transferred only from a solid to a gas.

• TE is transferred only from a solid to a liquid.

• TE is transferred from a hotter object to a cooler one.

• TE is transferred form a cooler object to a hotter one.

The student observes that when the switch is closed, the bulb lights up, and when a piece of paper is held against the bulb for 10 minutes, burn marks form. Based on the observations, which conclusion can the student draw?

• Heat energy produces electrical energy.

• Chemical energy in batteries is stored as heat.

• Chemical energy is released as heat and light energy in circuits.

• Heat energy is released as chemical and light energy in circuits.

A camper uses a campfire to melt a marshmallow. Which form of energy produced by the burning wood in the campfire melts the camper’s marshmallow?

• chemical energy

• electrical energy

• heat energy

• solar energy

Which energy source produces most of the energy used on Earth today?

• Fossil fuels

• Moon

• Sun

• Wind

Where does most of the energy on Earth originate?

• Fossil fuels

• Green Plants

• Sun

• Wind

Which form of energy is used by plants during the process of photosynthesis?

• Electrical

• Heat

• Mechanical

• Solar